[INFO] cloning repository https://github.com/GillesMommerency/research [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GillesMommerency/research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGillesMommerency%2Fresearch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGillesMommerency%2Fresearch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc924991933e1f7c1760a210a67a640c095be684 [INFO] testing GillesMommerency/research against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGillesMommerency%2Fresearch" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GillesMommerency/research on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GillesMommerency/research [INFO] finished tweaking git repo https://github.com/GillesMommerency/research [INFO] tweaked toml for git repo https://github.com/GillesMommerency/research written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/GillesMommerency/research already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/eclipse/paho.mqtt.rust.git` [INFO] [stderr] Updating git submodule `https://github.com/eclipse/paho.mqtt.c.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef4709f296ca29555e8d33cd307cb34255fc2f391b1fc06ebd540eaa2c51e0a6 [INFO] running `Command { std: "docker" "start" "-a" "ef4709f296ca29555e8d33cd307cb34255fc2f391b1fc06ebd540eaa2c51e0a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef4709f296ca29555e8d33cd307cb34255fc2f391b1fc06ebd540eaa2c51e0a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef4709f296ca29555e8d33cd307cb34255fc2f391b1fc06ebd540eaa2c51e0a6", kill_on_drop: false }` [INFO] [stdout] ef4709f296ca29555e8d33cd307cb34255fc2f391b1fc06ebd540eaa2c51e0a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea1b8e53e2e7180cffb15d5686ec374d727c5acdda5b948d50b67b54d2954864 [INFO] running `Command { std: "docker" "start" "-a" "ea1b8e53e2e7180cffb15d5686ec374d727c5acdda5b948d50b67b54d2954864", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#798b151f) [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rppal v0.11.3 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling ccs811 v0.1.3 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling futures-util v0.3.12 [INFO] [stderr] Compiling thiserror v1.0.23 [INFO] [stderr] Compiling futures-executor v0.3.12 [INFO] [stderr] Compiling futures v0.3.12 [INFO] [stderr] Compiling paho-mqtt v0.9.1 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#798b151f) [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling sds011 v0.2.1 [INFO] [stderr] Compiling research_project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:112:25 [INFO] [stdout] | [INFO] [stdout] 112 | Err(e) => "Empty Buffer", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gpio.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut pin = match controller.get(pin_num) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_retry` [INFO] [stdout] --> src/dht11.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn read_retry(&mut self, retry: usize) -> Result<(f32, f32), SensorError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin_num` [INFO] [stdout] --> src/gpio.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 9 | pin_num: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.65s [INFO] running `Command { std: "docker" "inspect" "ea1b8e53e2e7180cffb15d5686ec374d727c5acdda5b948d50b67b54d2954864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea1b8e53e2e7180cffb15d5686ec374d727c5acdda5b948d50b67b54d2954864", kill_on_drop: false }` [INFO] [stdout] ea1b8e53e2e7180cffb15d5686ec374d727c5acdda5b948d50b67b54d2954864 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53985710a37837faf622a6a42a80684b84bcdc11b1cfdfffc308fc91bfcc3aca [INFO] running `Command { std: "docker" "start" "-a" "53985710a37837faf622a6a42a80684b84bcdc11b1cfdfffc308fc91bfcc3aca", kill_on_drop: false }` [INFO] [stderr] Compiling research_project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:112:25 [INFO] [stdout] | [INFO] [stdout] 112 | Err(e) => "Empty Buffer", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gpio.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut pin = match controller.get(pin_num) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_retry` [INFO] [stdout] --> src/dht11.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn read_retry(&mut self, retry: usize) -> Result<(f32, f32), SensorError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin_num` [INFO] [stdout] --> src/gpio.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 9 | pin_num: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "53985710a37837faf622a6a42a80684b84bcdc11b1cfdfffc308fc91bfcc3aca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53985710a37837faf622a6a42a80684b84bcdc11b1cfdfffc308fc91bfcc3aca", kill_on_drop: false }` [INFO] [stdout] 53985710a37837faf622a6a42a80684b84bcdc11b1cfdfffc308fc91bfcc3aca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 18c3b6464533fcfb648fdbc6d89d64c443efcecb3963f34dd7efe97f10f91a6e [INFO] running `Command { std: "docker" "start" "-a" "18c3b6464533fcfb648fdbc6d89d64c443efcecb3963f34dd7efe97f10f91a6e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:112:25 [INFO] [stderr] | [INFO] [stderr] 112 | Err(e) => "Empty Buffer", [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/gpio.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut pin = match controller.get(pin_num) { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_retry` [INFO] [stderr] --> src/dht11.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn read_retry(&mut self, retry: usize) -> Result<(f32, f32), SensorError> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pin_num` [INFO] [stderr] --> src/gpio.rs:9:3 [INFO] [stderr] | [INFO] [stderr] 9 | pin_num: u8, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `research_project` (bin "research_project" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/research_project-a8d6cfb7e8a58dbe) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "18c3b6464533fcfb648fdbc6d89d64c443efcecb3963f34dd7efe97f10f91a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18c3b6464533fcfb648fdbc6d89d64c443efcecb3963f34dd7efe97f10f91a6e", kill_on_drop: false }` [INFO] [stdout] 18c3b6464533fcfb648fdbc6d89d64c443efcecb3963f34dd7efe97f10f91a6e